12
Unfortunately, 2 over 2 minus 1 equals 5 over 6 is just a wrong answer! If it is 2 over 2, minus 1, the answer is that it equals zero. If it is 2, over 2 minus 1, the answer is that it equals 2.
2/5 minus 1/15 is 1/3
-5, 5
I think you mean "What does negative 10 minus 5 equal?" If not, please correct me. But, the correct answer would be -15 or negative 15.
If a equals 3 and b equals minus 5 then a minus b equals what
2 minus 5/2 equals -1/2
6/11 minus 5/6 equals -19/66
2/5 minus 4/9 equals -2/45
8/15 − 2/5 = 2/15
5 over 8
A = 12 and 4/5